xref: /titanic_41/usr/src/lib/libc/sparc/fp/fpgetmask.s (revision 70025d765b044c6d8594bb965a2247a61e991a99)
1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License").  You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22/*	Copyright (c) 1988 AT&T	*/
23/*	  All Rights Reserved	*/
24
25
26/*	Copyright (c) 1989 by Sun Microsystems, Inc.		*/
27
28.ident	"%Z%%M%	%I%	%E% SMI"	/* SVr4.0 1.11	*/
29
30	.file	"fpgetmask.s"
31
32#include <sys/asm_linkage.h>
33
34	ANSI_PRAGMA_WEAK(fpgetmask,function)
35
36#include "synonyms.h"
37
38	ENTRY(fpgetmask)
39	add	%sp, -SA(MINFRAME), %sp	! get an additional word of storage
40	set	0x0f800000, %o4		! mask of trap enable bits
41	st	%fsr, [%sp+ARGPUSH]	! get fsr value
42	ld	[%sp+ARGPUSH], %o0	! load into register
43	and	%o0, %o4, %o0		! mask off bits of interest
44	srl	%o0, 23, %o0		! return trap enable value
45	retl
46	add	%sp, SA(MINFRAME), %sp	! reclaim stack space
47
48	SET_SIZE(fpgetmask)
49